/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ZhongJinTao
 * Date: 2025-09-07
 * Time: 16:38
 */
public class Main {
    public static void main(String[] args) {
        Solution4 solution4 = new Solution4();
        ListNode head = new ListNode(1);
        head.next = new ListNode(2);
        head.next.next = new ListNode(3);
        head.next.next.next = new ListNode(4);
        head.next.next.next.next = new ListNode(5);
        solution4.middleNode(head);
    }
}